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A hard-Lefschetz theorem with torsion coefficients?

Let $X$ be a smooth projective surface over $\overline{\mathbb{F}_{q}}$. Let $\ell$ be a prime distinct from the characteristic. Assume we have a Lefschetz pencil of hyperplane sections on $X$. Let $...
a17's user avatar
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8 votes
0 answers
318 views

The Rappoport-Zink spectral sequence vs. the one of the complement of a normal crossing divisor

As far as I understand these matters, for a regular $\mathfrak{X}$ that is proper flat of finite type over $\operatorname{Spec}\mathbb{Z}_p$, the Rappoport-Zink spectral sequence relates the etale ...
Mikhail Bondarko's user avatar